9.1
CRITICAL
CVE-2021-42646
WSO2 API Manager XML External Entity Vulnerability
Description

XML External Entity (XXE) vulnerability in the file based service provider creation feature of the Management Console in WSO2 API Manager 2.6.0, 3.0.0, 3.1.0, 3.2.0, and 4.0.0; and WSO2 IS as Key Manager 5.7.0, 5.9.0, and 5.10.0; and WSO2 Identity Server 5.7.0, 5.8.0, 5.9.0, 5.10.0, and 5.11.0. Allows attackers to gain read access to sensitive information or cause a denial of service via crafted GET requests.

INFO

Published Date :

May 11, 2022, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 6:27 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-42646 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wso2 api_manager
2 Wso2 identity_server
3 Wso2 identity_server_as_key_manager

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-42646 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-42646 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html
    Added Reference http://seclists.org/fulldisclosure/2022/Jun/7
    Added Reference https://github.com/wso2/carbon-identity-framework/pull/3472
    Added Reference https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1289/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 11, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2021/WSO2-2021-1289/ [No types assigned]
    Removed Reference MITRE https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2021-1289
  • Modified Analysis by [email protected]

    Nov. 29, 2022

    Action Type Old Value New Value
    Changed Reference Type http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html No Types Assigned http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2022/Jun/7 No Types Assigned http://seclists.org/fulldisclosure/2022/Jun/7 Mailing List, Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 19, 2022

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/167465/WSO2-Management-Console-XML-Injection.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 11, 2022

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2022/Jun/7 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 20, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2021-1289 No Types Assigned https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2021-1289 Vendor Advisory
    Changed Reference Type https://github.com/wso2/carbon-identity-framework/pull/3472 No Types Assigned https://github.com/wso2/carbon-identity-framework/pull/3472 Patch, Third Party Advisory
    Added CWE NIST CWE-611
    Added CPE Configuration OR *cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:api_manager:3.0.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:api_manager:3.1.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:api_manager:3.2.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:api_manager:4.0.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server:5.7.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server:5.8.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server:5.9.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server:5.10.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server:5.11.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server_as_key_manager:5.7.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server_as_key_manager:5.9.0:*:*:*:*:*:*:* *cpe:2.3:a:wso2:identity_server_as_key_manager:5.10.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-42646 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-42646 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

2.23 }} -1.64%

score

0.89187

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability